Tristan and Isolde, principal characters of a famous medieval love-romance, based on a Celtic legend (itself based on an actual Pictish king). Though the archetypal poem from which all extant forms of the legend are derived has not been preserved, a comparison of the early versions yields an idea

Five of them—Tristan da Cunha, Inaccessible, Nightingale, Middle, and Stoltenhoff—are located within 25 miles (40 km) of one another, and the sixth, Gough, lies about 200 miles (320 km) south-southeast of the group. The territory is located approximately 1,300 miles (2,100 km) to the south of St.…

Tristan da Cunha, island and group of islands in the South Atlantic Ocean, about midway between southern Africa and South America. The island group is a constituent part of the British overseas territory of St. Helena, Ascension and Tristan da Cunha. The six small islands of the Tristan da Cunha

Luis Tristán, Spanish painter who was in the vanguard of early Baroque painting in Spain. A student of El Greco from 1603 to 1607, Tristán came under the influence of another El Greco pupil, Orazio Borgianni. Tristán occasionally borrowed from the works of El Greco, as can be seen in his portrait

A 13th-century prose Tristan (Tristan de Léonois), fundamentally an adaptation of the Tristan story to an Arthurian setting, complicates the love theme of the original with the theme of a love rivalry between Tristan and the converted Saracen Palamède and represents the action as a conflict between the…

…and most widespread is the common diving petrel (Pelecanoides urinatrix), about 16 cm (6.5 inches) long; the largest is the Peruvian diving petrel (P. garnotii), about 25 cm long, restricted to the west coast of South America from about 6° to 37° S.

Tristan l’Hermite, dramatist and poet, one of the creators of French classical drama. Long overshadowed by his contemporary Pierre Corneille, he was rediscovered in the late 19th century and continues to excite scholarly and critical interest. At the age of 11, Tristan was attached as page to the

In Tristan und Isolde Wagner set the leitmotifs in counterpoint against one another. Similarly, in the Prelude to Act III of Siegfried, a motive known as the “Need of the Gods” is cast against one associated with the “Valkyries.”

Luis Tristán, Spanish painter who was in the vanguard of early Baroque painting in Spain. A student of El Greco from 1603 to 1607, Tristán came under the influence of another El Greco pupil, Orazio Borgianni. Tristán occasionally borrowed from the works of El Greco, as can be seen in his portrait

Tristan, novella by Thomas Mann, published in 1903 as one of six novellas in Tristan: Sechs Novellen. The plot concerns three individuals: Anton Klöterjahn, a prosperous, unimaginative businessman from northern Germany; his tubercular wife, Gabriele; and Detlev Spinell, an effete, eccentric writer.

His later French films—including Tristana (1970), again starring Deneuve; Le Charme discret de la bourgeoisie (1973; The Discreet Charm of the Bourgeoisie); and Cet obscur objet du désir (1977; That Obscure Object of Desire)—all trade in Buñuel’s first and only real belief system, surrealism. In this world, society rests…

Brisbane box, (Tristania conferta), evergreen tree, of the family Myrtaceae, native to Australia and commonly cultivated in tropical and subtropical regions of North America as a shade tree. It grows to more than 45 metres (about 150 feet) tall, and it has oval or lance-shaped leaves 7–15

Lennie Tristano, American jazz pianist, a major figure of cool jazz and an influential teacher. Tristano, who became totally blind as a child, began playing piano in taverns at age 12. He grew up in Chicago, where he studied at the American Conservatory of Music (B.Mus, 1943) and was a noted

Lennie Tristano, American jazz pianist, a major figure of cool jazz and an influential teacher. Tristano, who became totally blind as a child, began playing piano in taverns at age 12. He grew up in Chicago, where he studied at the American Conservatory of Music (B.Mus, 1943) and was a noted

…with an attenuated strain of tristeza virus, which effectively controls the virulent strain that causes the disease. An avirulent strain of Agrobacterium radiobacter (K84) can be applied to plant wounds to prevent crown gall caused by infection with Agrobacterium tumefaciens. Many more specific antagonists are being investigated and hold much…

The Tristia and Epistulae ex Ponto were written and sent to Rome at the rate of about a book a year from 9 ce on. They consist of letters to the emperor and to Ovid’s wife and friends describing his miseries and appealing for clemency. For…

Tristimulus system, a system for visually matching a colour under standardized conditions against the three primary colours—red, green, and blue; the three results are expressed as X, Y, and Z, respectively, and are called tristimulus values. For example, the tristimulus values of the emerald-green

Tristan and Isolde, principal characters of a famous medieval love-romance, based on a Celtic legend (itself based on an actual Pictish king). Though the archetypal poem from which all extant forms of the legend are derived has not been preserved, a comparison of the early versions yields an idea

Tristan and Isolde, principal characters of a famous medieval love-romance, based on a Celtic legend (itself based on an actual Pictish king). Though the archetypal poem from which all extant forms of the legend are derived has not been preserved, a comparison of the early versions yields an idea

Tristram Shandy, experimental novel by Laurence Sterne, published in nine volumes from 1759 to 1767. Wildly experimental for its time, Tristram Shandy seems almost a modern avant-garde novel. Narrated by Shandy, the story begins at the moment of his conception and diverts into endless digressions,

…earliest romance was probably the Tristrams saga (1226), derived from a late 12th-century adaptation of the Tristan and Isolde legend by the Anglo-Norman poet Thomas. This was followed by the Karlamagnús saga (“Saga of Charlemagne”), a collection of prose renderings of French chansons de geste, including a Norse version of…

Tristan and Isolde, principal characters of a famous medieval love-romance, based on a Celtic legend (itself based on an actual Pictish king). Though the archetypal poem from which all extant forms of the legend are derived has not been preserved, a comparison of the early versions yields an idea

Tristan and Isolde, principal characters of a famous medieval love-romance, based on a Celtic legend (itself based on an actual Pictish king). Though the archetypal poem from which all extant forms of the legend are derived has not been preserved, a comparison of the early versions yields an idea

Trisvabhava, (Sanskrit: “three forms of existence”) in Buddhism, the states of the real existence that appear to a person according to his stage of understanding. Together with the doctrine of storehouse consciousness (alaya-vijnana), it constitutes the basic theory of the Vijnanavada

…rhyme (profession / discretion), and trisyllabic rhyme, in which three syllables rhyme (patinate / latinate). The too-regular effect of masculine rhyme is sometimes softened by using trailing rhyme, or semirhyme, in which one of the two words trails an additional unstressed syllable behind it (trail / failure). Other types of…

…added a third actor, the tritagonist, and was able to write more complex, more natural dialogue. That there were only three actors did not limit the number of characters to three because one actor would play more than one character.

…blue-yellow colour blindness are known: tritanopia (blindness to blue, usually with the inability to distinguish between blue and yellow), which occurs when blue cones are absent; and tritanomaly (reduced sensitivity to blue), which arises from the abnormal function of blue cones.

The acyclic triterpene hydrocarbon squalene constitutes more than half of the liver oil of certain species of sharks and is otherwise rather widely distributed in nature. It has been found in other fish liver oils, in vegetable oils, in fungi, and in human earwax…

Tritylodontidae, Chiniquodontidae, and Trithelodontidae. The first mammals probably derived from small carnivorous chiniquodontids or trithelodonts sometime in the Middle Triassic Epoch (245.9 million to 228.7 million years ago).

The sole genus, Trithuria, has a dozen species native to India, New Zealand, and Australia. They are clumped, grasslike aquatic herbs that may be submerged, with tiny flowers aggregated into stalked headlike clusters. Four of the species are dioecious (separate male and female plants), and the others have…

Triticale, wheat-rye hybrid that has a high yield and rich protein content. The first cross was reported in 1875 and the first fertile cross in 1888. The name triticale first appeared in scientific literature in 1935 and is attributed to Erich Tschermak von Seysenegg. In favourable environmental

Wheat, any of several species of cereal grasses of the genus Triticum (family Poaceae) and their edible grains. Wheat is one of the oldest and most important of the cereal crops. Of the thousands of varieties known, the most important are common wheat (Triticum aestivum), used to make bread; durum

The development of bread wheat (T. aestivum), a hexaploid wheat, involved the hybridization of a tetraploid wheat with A. tauschii, a closely allied diploid species of grass, followed by chromosome doubling to 42.

Spelt, subspecies (Triticum aestivum spelta) of wheat that has lax spikes and spikelets containing two light-red kernels. A related species, Triticum dicoccon, commonly known as emmer wheat or farro, was cultivated by the ancient Babylonians and the ancient Swiss lake dwellers; it is now grown for

…as spaghetti and macaroni; and club wheat (T. compactum), a softer type, used for cake, crackers, cookies, pastries, and flours. Additionally, some wheat is used by industry for the production of starch, paste, malt, dextrose, gluten, alcohol, and other products.

In one of these, emmer wheat (T. dicoccon), the grain is tightly clasped by the hull (lemma and palea), a characteristic of wild species that depend on the hull for dispersal. Threshing and winnowing—the separation of chaff from grain—is far easier when the hull separates freely from the grain,…

…a domesticated diploid wheat is einkorn wheat (Triticum monococcum), one of the earliest domesticated wheat species. Hybridization of a diploid wheat with Aegilops speltoides (a closely allied species of grass), followed by doubling of the chromosome complement, produced tetraploid wheats. In one of these, emmer wheat (T. dicoccon), the grain…

The development of bread wheat (T. aestivum), a hexaploid wheat, involved the hybridization of a tetraploid wheat with A. tauschii, a closely allied diploid species of grass, followed by chromosome doubling to 42.

Tritium, (T, or 3H), the isotope of hydrogen with atomic weight of approximately 3. Its nucleus, consisting of one proton and two neutrons, has triple the mass of the nucleus of ordinary hydrogen. Tritium is a radioactive species having a half-life of 12.32 years; it occurs in natural water with an

Deutero- and Trito-Zechariah, each of which has an introduction setting it apart from the rest (9:1 and 12:1), are separate collections of sayings usually dated to the 4th and 3rd centuries bc, respectively. They further develop Zechariah’s eschatological themes and provide many images of a messianic figure…

the protocerebrum, deutocerebrum, and tritocerebrum. The anterior protocerebrum, which receives the nerves of the eyes and other organs, contains centres, or neuropils, such as the optic centres and bodies known as corpora pedunculata. The neuropils function as integrative systems for the anterior sense organs, especially the eyes, and in…

Another project, the Triton, was similarly bypassed due to design difficulties and lack of funding. The Triton was to have had a range of 12,000 miles and a payload of 1,500 pounds. Radar map-matching guidance was to have given it a CEP of 1,800 feet.

In Triton (1976), in which the main character undergoes a gender-reassignment operation, Delany examines bias against women and homosexuals. Delany’s Nèverÿon series (Tales of Nevèrÿon [1979]; Neveryóna; or, The Tale of Signs and Cities [1983]; Flight from Nevèrÿon [1985]; and The Bridge of Lost Desire [1987])…

…work, the fountain of the Triton in the Piazza Barberini, Rome, from which all clarity of profile or of shadow, all definiteness of plane, are removed, is also characteristic of Bernini’s style, widely imitated throughout Europe.

Triton, largest of Neptune’s moons, whose unusual orbital characteristics suggest that it formed elsewhere in the solar system and was later captured by Neptune. It was discovered by the English astronomer William Lassell in October 1846, only a few weeks after the discovery of Neptune itself.

Triton, U.S. nuclear-powered submarine that was the first vessel to circumnavigate the globe underwater. The Triton completed its circumnavigation on its maiden voyage, officially beginning the mission in the mid-Atlantic on Feb. 24, 1960. It proceeded west around Cape Horn, crossed the Pacific and

Triton, in Greek mythology, a merman, demigod of the sea; he was the son of the sea god, Poseidon, and his wife, Amphitrite. According to the Greek poet Hesiod, Triton dwelt with his parents in a golden palace in the depths of the sea. Sometimes he was not particularized but was one of many

Triton,, nucleus of the heaviest hydrogen isotope, tritium, or hydrogen-3. Tritons, which consist of one proton and two neutrons, result from certain nuclear reactions. The collision of a deuteron with another deuteron, for example, sometimes produces a proton and a triton. See also

Triton shell, any of several marine snails constituting the family Cymatiidae (subclass Prosobranchia of the class Gastropoda), in which the shell usually is spired, the body whorl is large, and the aperture in the first whorl of the shell is broadly or narrowly toothed. The triton’s shell may be

Tritone, in music, the interval encompassed by three consecutive whole steps, as for instance the distance from F to B (the whole steps F–G, G–A, and A–B). In semitone notation, the tritone is composed of six semitones; thus it divides the octave symmetrically in equal halves. In musical notation

…study emerged Il trittico (The Triptych; New York City, 1918), three stylistically individual one-act operas—the melodramatic Il tabarro (The Cloak), the sentimental Suor Angelica, and the comic Gianni Schicchi. His last opera, based on the fable of Turandot as told in the play Turandot by the 18th-century Italian dramatist…

…to align demes from different trittyes (tribal thirds) but the same tribe along the arterial roads leading to the city, perhaps with a view to easy tribal mobilization in the city centre. It is right that the political aspects of Cleisthenes (who was in fact far from producing democracy in…

…to align demes from different trittyes (tribal thirds) but the same tribe along the arterial roads leading to the city, perhaps with a view to easy tribal mobilization in the city centre. It is right that the political aspects of Cleisthenes (who was in fact far from producing democracy in…

…North America; 15 genera (including Triturus and Salamandra in Europe, Notophthalamus and Taricha in North America, and Cynops in Japan) and about 56 species.
There is disagreement concerning the classification of salamanders

Tritylodont, any member of a genus (Tritylodon) of extinct cynodont therapsids (mammal relatives) found as fossils in Late Triassic and Early Jurassic rocks in southern Africa and North America. These fossils have been dated to between 208 million and 200 million years ago. Tritylodonts are

Tritylodont, any member of a genus (Tritylodon) of extinct cynodont therapsids (mammal relatives) found as fossils in Late Triassic and Early Jurassic rocks in southern Africa and North America. These fossils have been dated to between 208 million and 200 million years ago. Tritylodonts are

families—Procynosuchidae, Galesauridae, Tritylodontidae, Chiniquodontidae, and Trithelodontidae. The first mammals probably derived from small carnivorous chiniquodontids or trithelodonts sometime in the Middle Triassic Epoch (245.9 million to 228.7 million years ago).

…world’s largest cyclotron, at the TRIUMF laboratory in Vancouver, B.C., Can., is a sector-focused machine. Its magnet, which weighs 4,000 metric tons and is 18 metres (59 feet) in diameter, is divided into six equal sectors arranged like a “pinwheel.” Its maximum energy is 520 MeV, and it is used…

Triumph, a ritual procession that was the highest honour bestowed upon a victorious general in the ancient Roman Republic; it was the summit of a Roman aristocrat’s career. Triumphs were granted and paid for by the Senate and enacted in the city of Rome. The word probably came from the Greek

Triumph, 16th-century card game ancestral to whist. In triomphe, the French variety known to English contemporaries as French ruff, each player received five cards, a trump was turned, and the aim was to win three or more tricks. From this derived écarté and five-card loo. In the English game

…pair bond by a “triumph ceremony,” with mutual head waving and calling, typically when the male has driven off an intruder. Male sheldgeese have a puffing, strutting display. Their females incite them to attack other birds by sideways jabbing movements of the bill. Female incitement behaviour is found throughout…

…Hitler; Triumph des Willens (1935; Triumph of the Will), an important documentary study of the 1934 Nazi Party convention at Nürnberg that emphasized the unity of the party, introduced the leaders to the German people, and exhibited Nazi power to the world; and Olympische Spiele (1938; Olympia), a two-part film…

…until 1961, when it acquired Triumph Motor Co. Ltd. (Triumph had begun in 1903 as a motorcycle manufacturer and began making cars in 1923.) In 1966 Leyland merged with another car manufacturer, The Rover Co. Ltd. (founded 1904), and the combined companies became Leyland Motor Corp. Ltd. The first chairman…

The poems in The Triumph of Achilles (1985), which won the National Book Critics Circle Award for poetry, address archetypal subjects of classic myth, fairy tales, and the Bible. These concerns are also evident in Ararat (1990), which has been acclaimed for searing honesty in its examination of…

…also known as Los borrachos ), seems to have been inspired by Titian and Rubens, but his realistic approach to the subject is characteristically Spanish and one that Velázquez was to preserve throughout his life.

…a Roman triumphal procession, the Triumph of Caesar, begun about 1486 and worked on for several years, still exist. In these paintings, reflecting the classical tastes of his new patron, Francesco, Mantegna reached the peak of his late style. Perhaps it was this new imaginative synthesis of the colour, splendour,…

…Finis Gloriae Mundi and the Triumph of Death (1660 and 1672), and Jesus Disputing with the Doctors (1686), all characterized by their macabre subject matter, dynamic energy, and theatrical violence. The violence of his subjects has often distracted attention from the inventiveness of his execution.

…Il trionfo della morte (1894; The Triumph of Death), appeared. It and his next major novel, Le vergini delle rocce (1896; The Maidens of the Rocks), featured viciously self-seeking and wholly amoral Nietzschean heroes.

…a more secular subject, the Triumph of Galatea, in the Villa Farnesina in Rome; this work was perhaps the High Renaissance’s most successful evocation of the living spirit of Classical antiquity. Meanwhile, Raphael’s decoration of the papal apartments continued after the death of Julius in 1513 and into the succeeding…

…Le Triomphe de l’amour (The Triumph of Love; 1681), choreographed by Charles-Louis Beauchamp (1636–c. 1719) to Lully’s music. Originally a ballet de cour, it was revived for the stage with a professional cast. Its star, Mlle Lafontaine, became ballet’s first première danseuse exactly 100 years after the Ballet comique…

…republican regime with his painting The Triumph of Marat (1794), a flattering view of the revolutionary leader Jean-Paul Marat. Over the next 40 years, Boilly painted a large number of works depicting the most varied aspects of everyday life in Paris. Such paintings as Gathering of Artists in the Studio…

The Triumph of St. Hermengild (c. 1660–70) and The Ecstasy of St. Francis (1657), painted for Sevilla Cathedral on his return from Italy, both reflect the violent movement and theatrical effect of the Roman Baroque style, which he probably introduced into Sevilla.

, Triumph of the Egg (1937 and 1941) and perhaps even the tumid Dragon Motif (1933). The spirit of the inert material seems to emerge from those works and mingle with the impressions made by the carver. Shortly before he committed suicide, Flannagan had begun to…

His Winesburg, Ohio (1919) and The Triumph of the Egg (1921) were collections of short stories that showed villagers suffering from all sorts of phobias and suppressions. Anderson in time wrote several novels, the best being Poor White (1920).

Villalpando’s Triumph of the Eucharist, for example, is based on Rubens’s Triumph of the Eucharist. Villalpando made this painting for the sacristy of the Cathedral of Mexico, for which he produced other works, including The Virgin of the Apocalypse and An Allegory of the Church, all…

…Parisian monuments include the bronze Triumph of the Republic (1879–99) at the Place de la Nation and the memorial to painter Eugène Delacroix in the Luxembourg Gardens (1890). Two bronze gisants—Auguste Blanqui (1885) and Victor Noir (1890), both in Père-Lachaise Cemetery, Paris—became popular pilgrimage and rallying sites for political liberals.…

…of the Valois court, include Triumph of the Seasons, with its depiction of parties, picnics, and orchestras; the Artemisia series; and History of the Kings of France. (2) Paintings on the theme of massacre, such as Massacre Under the Triumvirate, recall the bloodshed of the Wars of Religion. (3) Fantasy…

…Hitler; Triumph des Willens (1935; Triumph of the Will), an important documentary study of the 1934 Nazi Party convention at Nürnberg that emphasized the unity of the party, introduced the leaders to the German people, and exhibited Nazi power to the world; and Olympische Spiele (1938; Olympia), a two-part film…

Triumphal arch, a monumental structure pierced by at least one arched passageway and erected to honour an important person or to commemorate a significant event. It was sometimes architecturally isolated but usually was built to span either a street or a roadway, preferably one used for triumphal

Northwest from the Arc de Triomphe du Carrousel (Carrousel Triumphal Arch), located in the courtyard between the open arms of the Louvre, extends one of the most remarkable perspectives to be seen in any modern city. It is sometimes called la Voie Triomphale…

Morley edited The Triumphes of Oriana (published 1603), a collection of 25 madrigals by various composers. His last volume of original compositions was The First Booke of Ayres (1600). Morley’s body of work also includes services (primary music of the Anglican liturgy), anthems, motets, and psalms. The…

The O’Jays, American vocal group that rose to the forefront of the Philadelphia soul movement of the 1970s. The O’Jays’ origins date to the late 1950s, when childhood friends Eddie Levert (b. June 16, 1942, Canton, Ohio, U.S.) and Walter Williams (b. Aug. 25, 1942, Canton) began performing gospel

Triumvirate, in ancient Rome, a board of three officials. There were several types: Tresviri capitales, or tresviri nocturni, first instituted about 289 bc, assisted higher magistrates in their judicial functions, especially those relating to crime and the civil status of citizens. Tresviri

Triumvirate, in ancient Rome, a board of three officials. There were several types: Tresviri capitales, or tresviri nocturni, first instituted about 289 bc, assisted higher magistrates in their judicial functions, especially those relating to crime and the civil status of citizens. Tresviri

…by a brief spate of triunfalismo (“triumphalism”) that lasted through the 1940s, when the victorious Falange, the Spanish fascist party, engaged in propagandistic self-glorification. Triunfalismo’s literary expression produced works that were monothematic and repetitive and that insulted the vanquished, showing them as animals. Psychologically perceptive despite its violence, La familia…

The American botanist Arthur Cronquist suggested in the early 1980s that Triuridaceae may eventually become established as a separate subclass, but DNA analysis at the close of the 20th century recognized members of this family as being closely related to the Pandanaceae and Cyclanthaceae…

…are three types of OPV: trivalent (tOPV), which contains all three serotypes of live attenuated polioviruses; bivalent (bOPV), which contains two of the three serotypes; and monovalent (mOPV), which contains one of the three serotypes. Thus, trivalent vaccine is effective against all three serotypes (PV1, PV2, and PV3), bivalent vaccine…

Thiruvananthapuram, city, capital of Kerala state, southwestern India. It is situated along the Arabian Sea with isolated hills on a coastal plain. The community became prominent under Raja Martanda Varma, who made it the capital of his kingdom of Travancore in 1745. The city’s former name,

Trivet,, stand or support for utensils before or on the fire. Usually made of wrought iron, the most common variety, from the 17th century, stands on three legs and has a circular plate with perforated decoration, often in the form of a date. Another early type, short-legged, stood in the fire to